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22286671688 = 2347211232
BaseRepresentation
bin10100110000011000…
…111001111101001000
32010112012022020002202
4110300120321331020
5331120341443223
614123252415332
71416166404131
oct246030717510
963465266082
1022286671688
1194a7277336
12439b917548
1321423642c8
141115c84c88
158a68a8428
hex530639f48

22286671688 has 36 divisors (see below), whose sum is σ = 42733575315. Its totient is φ = 10896531888.

The previous prime is 22286671681. The next prime is 22286671691. The reversal of 22286671688 is 88617668222.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 11143335844 + 11143335844 = 105562^2 + 105562^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=105562.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22286671681) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 19845095 + ... + 19846217.

Almost surely, 222286671688 is an apocalyptic number.

It is an amenable number.

22286671688 is a deficient number, since it is larger than the sum of its proper divisors (20446903627).

22286671688 is an frugal number, since it uses more digits than its factorization.

22286671688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2346 (or 1172 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 56.

The spelling of 22286671688 in words is "twenty-two billion, two hundred eighty-six million, six hundred seventy-one thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 47 94 188 376 1123 2209 2246 4418 4492 8836 8984 17672 52781 105562 211124 422248 1261129 2480707 2522258 4961414 5044516 9922828 10089032 19845656 59273063 118546126 237092252 474184504 2785833961 5571667922 11143335844 22286671688